
G-Man Ted Riley (Lloyd Hughes ) is ordered to investigate happenings at Diamond Island, where a bogus Major Gray (Grant Withers) is reported engaged in manufacturing a new brand of secret gas for his own purposes. Riley blows up his motor boat just off the island and is picked up by Gray's men. On the island he discovers chemist Professor Baker (John Cowell) and his daughter, Anne (Marion Burns), are held captive by Major Gray.... (Full plot summary below)
Enjoy FREE movies and series with your Prime (USA) subscription or when you start a 30-day free trial!
Links compiled using automated software. Availability of offers subject to change / might be region specific / out of date.
G-Man Ted Riley (Lloyd Hughes ) is ordered to investigate happenings at Diamond Island, where a bogus Major Gray (Grant Withers) is reported engaged in manufacturing a new brand of secret gas for his own purposes. Riley blows up his motor boat just off the island and is picked up by Gray's men. On the island he discovers chemist Professor Baker (John Cowell) and his daughter, Anne (Marion Burns), are held captive by Major Gray.
Leave your thoughts about Rip Roaring Riley.